Statement Of Changes In Equity [Abstract]
| Concept |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2022-10-01 to 2023-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
2021-10-01 to 2022-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||
| Statement of changes in equity [line items] | ||||||||||||
| Increase (decrease) through transactions with owners, equity |
6,000
GBP
|
–
GBP
|
904,000
GBP
|
904,000
GBP
|
6,000
GBP
|
–
GBP
|
1,00 1
GBP
|
–
GBP
|
–
GBP
|
7,000
GBP
|
7,000
GBP
|
1,00 1
GBP
|
| Purchase of treasury shares |
6,000
GBP
|
–
GBP
|
679,000
GBP
|
679,000
GBP
|
6,000
GBP
|
–
GBP
|
791,000
GBP
|
–
GBP
|
–
GBP
|
7,000
GBP
|
7,000
GBP
|
791,000
GBP
|